Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- verb intransitive, idiomatic To become
silent ; tostop talking , toshut up .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- verb refuse to talk or stop talking; fall silent
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
By analogy with a clam closing itself.
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Examples
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